[clang-tools-extra] [LLVM] Add IRNormalizer Pass (PR #68176)

[Michal Paszkowski via cfe-commits]

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@@ -42,7 +42,10 @@ Non-comprehensive list of changes in this release
    functionality, or simply have a lot to talk about), see the `NOTE` below
    for adding a new subsection.
 
-* ...
+* Added a new IRNormalizer pass which aims to transform LLVM modules into
+  a canonical form by reordering and renaming instructions while preserving the
+  same semantics. The canonicalizer makes it easier to spot semantic differences
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michalpaszkowski wrote:

canonicalizer -> normalizer

https://github.com/llvm/llvm-project/pull/68176